Home / 721,977.06-1,083,587.67-500,516.58

Finding the Fourth Proportional to 721,977.06, 1,083,587.67 and 500,516.58

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Solution

The fourth proportional to 721,977.06, 1,083,587.67 and 500,516.58 is: 751,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,977.06 : 1,083,587.67 = 500,516.58 : x
  2. Step 2: Convert to fraction form
    721,977.06/1,083,587.67 = 500,516.58/x
  3. Step 3: Cross multiply
    721,977.06x = 1,083,587.67 × 500,516.58
  4. Step 4: Simplify right side
    721,977.06x = 542,353,594,718.57
  5. Step 5: Solve for x
    x = 542,353,594,718.57/721,977.06
  6. Step 6: Final answer
    x = 751,206.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.